Provide TLS 1.3 cipher AEAD/hash and legacy I/O handling functions.

Provide functionality for determining AEADs and hashes for TLS 1.3 ciphers.
Also provide wire read/write callbacks that interface with BIO and
functions that interface between SSL_read/SSL_write and the TLS 1.3 record
layer API.

ok tb@

1 files changed, 11 insertions, 1 deletions

diff --git a/src/lib/libssl/tls13_internal.h b/src/lib/libssl/tls13_internal.h
index bb3ff1fe9c..03fdab7e53 100644
--- a/src/lib/libssl/tls13_internal.h
+++ b/src/lib/libssl/tls13_internal.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: tls13_internal.h,v 1.11 2019/01/21 06:58:44 jsing Exp $ */
+/* $OpenBSD: tls13_internal.h,v 1.12 2019/01/21 09:10:58 jsing Exp $ */
 /*
  * Copyright (c) 2018 Bob Beck <beck@openbsd.org>
  * Copyright (c) 2018 Theo Buehler <tb@openbsd.org>
@@ -146,9 +146,19 @@ struct tls13_ctx {
         SSL *ssl;
         uint8_t mode;
         struct tls13_handshake_stage handshake_stage;
+        struct tls13_record_layer *rl;
 };
 
 /*
+ * Legacy interfaces.
+ */
+ssize_t tls13_legacy_wire_read_cb(void *buf, size_t n, void *arg);
+ssize_t tls13_legacy_wire_write_cb(const void *buf, size_t n, void *arg);
+int tls13_legacy_read_bytes(SSL *ssl, int type, unsigned char *buf, int len,
+    int peek);
+int tls13_legacy_write_bytes(SSL *ssl, int type, const void *buf, int len);
+
+/*
  * Message Types - RFC 8446, Section B.3.
  *
  * Values listed as "_RESERVED" were used in previous versions of TLS and are